<template>
  <div class="app-container">
    <el-card class="box-card" style="margin-top: 10px;">
      <div slot="header" class="clearfix">
        <el-button type="primary" v-hasPermi="['sys_menu_add']" class="el-icon-plus" @click="handleAdd">新增</el-button>
        <el-button style="float: right;" icon="el-icon-refresh" circle @click="getList"></el-button>
      </div>
        <el-table border fit highlight-current-row class="table-list"
          v-loading="loading"
          :data="menuList"
          row-key="id"
          :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
        >
          <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
          <el-table-column prop="icon" label="图标" align="center" width="100">
            <template slot-scope="scope">
              <svg-icon :icon-class="scope.row.icon" />
            </template>
          </el-table-column>
          <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
          <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
          <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
          <el-table-column prop="menuType" label="类型" align="center" width="100">
            <template slot-scope="scope">
              <el-tag v-if="scope.row.menuType=='M'">目录</el-tag>
              <el-tag v-if="scope.row.menuType=='C'" type="success">菜单</el-tag>
              <el-tag v-if="scope.row.menuType=='F'" type="info">按钮</el-tag>
            </template>
          </el-table-column>
          <el-table-column label="更新时间" align="center" prop="updateTime" width="150">
          </el-table-column>
          <el-table-column label="操作" class-name="small-padding fixed-width" width="240px">
            <template slot-scope="scope">
              <el-button plain type="violet" @click="handleUpdate(scope.row)" v-hasPermi="['sys_menu_edit']" >修改</el-button>
              <el-button plain type="primary" @click="addChild(scope.row)" v-if="scope.row.menuType!='F'" v-hasPermi="['sys_menu_add']">添加子项</el-button>
              <el-button plain type="danger" @click="handleDelete(scope.row)" v-hasPermi="['sys_menu_remove']">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
    </el-card>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="父级菜单">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择父级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24" v-if="form.parentId==0">
            <el-form-item label="所属模块" prop="moduleId">
              <el-select v-model="form.moduleId" clearable placeholder="所属模块" style="width: 100%;">
                  <el-option
                    v-for="item in topMenus"
                    :key="item.id"
                    :label="item.moduleName"
                    :value="item.id">
                  </el-option>
                </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="24" v-if="form.menuType != 'F'" >
            <el-form-item label="菜单图标">
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" maxlength="10" clearable show-word-limit/>
            </el-form-item>
          </el-col>
          <el-col :span="14">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="10">
            <el-form-item label="排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType == 'C'" label="是否外链">
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
                <el-radio label="1">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
              <el-input v-model="form.path" placeholder="请输入路由地址" maxlength="50" clearable show-word-limit/>
            </el-form-item>
          </el-col>
          <el-col :span="24" v-if="form.menuType == 'C' && form.isFrame =='1' ">
            <el-form-item label="组件路径" prop="component">
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.menuType == 'F'" label="权限标识">
              <el-input v-model="form.perms" placeholder="请权限标识" maxlength="50" clearable show-word-limit/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType == 'C' && form.isFrame =='1' " label="显示状态">
              <el-radio-group v-model="form.visible">
                <el-radio label="0">显示</el-radio>
                <el-radio label="1">隐藏</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType == 'C' && form.isFrame =='1' " label="是否缓存">
              <el-radio-group v-model="form.isCache">
                <el-radio label="0">缓存</el-radio>
                <el-radio label="1">不缓存</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import * as menu from './js/menu'
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";

export default {
  name: 'menuList',
  components: { Treeselect,IconSelect },
  data() {
      return {
        // 遮罩层
        loading: true,
        // 显示搜索条件
        showSearch: true,
        // 菜单表格树数据
        menuList: [],
        // 菜单树选项
        menuOptions: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 是否显示父级
        showParent: true,
        // 查询参数
        queryParams: {
          menuName: undefined,
          visible: undefined
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          menuName: [
            { required: true, message: "菜单名称不能为空", trigger: "blur" }
          ],
          component: [
            { required: true, message: "组件路径不能为空", trigger: "blur" }
          ],
          path: [
            { required: true, message: "路由地址不能为空", trigger: "blur" }
          ]
        }
      };
    },
    created() {
      this.getList();
    },
    computed: {
      // 顶部显示菜单
      topMenus() {
        return this.$store.state.permission.topbarRouters;
      },
    },
    methods: {
      // 选择图标
      selected(name) {
        this.form.icon = name;
      },
      /** 查询菜单列表 */
      getList() {
        this.loading = true;
        menu.listMenu().then(response => {
          this.menuList = this.handleTree(response.data, "id");
          this.loading = false;
        });
      },
      /** 转换菜单数据结构 */
      normalizer(node) {
        if (node.children && !node.children.length) {
          delete node.children;
        }
        return {
          id: node.id,
          label: node.menuName,
          children: node.children
        };
      },
      /** 查询菜单下拉树结构 */
      getTreeselect() {
        menu.getAllMenuNotButton().then(response => {
          this.menuOptions = [];
          const menu = { id: 0, menuName: '主类目', children: [] };
          menu.children = this.handleTree(response.data, "id");
          this.menuOptions.push(menu);
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: undefined,
          parentId: 0,
          menuName: undefined,
          icon: undefined,
          menuType: "M",
          orderNum: 0,
          isFrame: "1",
          isCache: "0",
          visible: "0",
          moduleId: 1
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      /** 新增按钮操作 */
      handleAdd(row) {
        this.reset();
        this.showParent = true
        this.getTreeselect();
        if (row != null && row.id) {
          this.form.parentId = row.id;
        } else {
          this.form.parentId = 0;
        }
        this.open = true;
        this.title = "添加菜单";
      },
      addChild(row){
       this.reset();
       this.showParent = false
       this.getTreeselect();
       if (row != null && row.id) {
         this.form.parentId = row.id;
       } else {
         this.form.parentId = 0;
       }
       this.open = true;
       this.title = "添加菜单";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        this.getTreeselect();
        this.form = row
        this.open = true;
        this.title = "修改菜单"
        this.showParent = true
      },
      /** 提交按钮 */
      submitForm: function() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if(this.form.menuType=='M' || this.form.menuType=='C'){
              this.form.perms = this.form.path
            }
           menu.save(this.form).then(response => {
             this.msgSuccess("保存成功");
             this.open = false;
             this.getList();
           });
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', "警告", {
            confirmButtonText: "确定",
            cancelButtonText: "取消",
            type: "warning"
          }).then(function() {
            return menu.removeById(row.id);
          }).then(() => {
            this.getList();
            this.msgSuccess("删除成功");
          })
      }
    }
  };
  </script>
